Corner clock



FIG. 1 is a front, top and left side perspective view of a corner clock showing my new design;

FIG. 2 is a top plan view thereof, with the bottom constituting a mirror-image of the top;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof; and,

FIG. 5 is a rear, top and left side view thereof. 

The ornamental design for a corner clock, as shown and described. 